An ESP32 WiFi focuser based on ESP32 WiFi. DRV8825, ULN2003, L298N, TMC2225, TMC2209. Support for ALPACA, Android, ASCOM, INDI, Linux, NINA, Webserver, JSON, TCP/IP.

(c) Robert Brown 2014-2025, Holger M, 2019-2021. All rights reserved.
Code or portions of code may not be copied or used without appropriate credit given to author.

Spreadsheet to calculate what stepper motor to use.
https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/Documentation/Nema-Stepper-Motors.xlsx/download

Spreadsheets to calculate CFZ
https://sourceforge.net/projects/myfocuserpro2-esp32/files/CFZ%20Spreadsheets/

https://youtu.be/90KeSspN3e0

Features

  • ESP32 based WiFi Focus Controller
  • Applications Android, ASCOM, INDI, Linux, Windows applications
  • Easy to assemble DIY or use PCB design (Download Gerber files)
  • Comprehensive manual and test programs
  • Controller mode - AccessPoint or Station or connect to multiple devices
  • Display, Graphics or Text
  • Driver Boards DRV8825, L298N, TMC2225/2209, ULN2003
  • Home Position Switch
  • Interfaces - ALPACA, ASCOM, INDI, TCP/IP, JSON, Web browser, XHTML
  • IN-OUT LED's, Push Buttons, Joystick, Infra-red remote control
  • Motors - 12V NEMA and 28BYJ-48 stepper motors (built-in backlash support)
  • Presets accessed by infra-red remote controller or applications
  • Remote Internet Access support using DUCKDNS
  • Servers ALPACA, Debug, Management, TCP/IP, Web Server
  • Temperature Probe and built-in support for temperature compensation

Project Samples

Project Activity

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Categories

Hardware, Astronomy, IoT

License

MIT License

Follow myFP2ESP32 WiFi ASCOM Focus Controller

myFP2ESP32 WiFi ASCOM Focus Controller Web Site

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User Reviews

  • Is there a simple ESP32 version with only a stepper motor ULN2003? I have those parts and only want a simple Ascom focuser. I get the idea that this project is a bit too much.
  • great job! I use this focuser since 2019 no problems!
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Additional Project Details

Operating Systems

Linux, Android, Windows

Intended Audience

End Users/Desktop

User Interface

Windows Aero

Programming Language

C#

Related Categories

C# Hardware Platform, C# Astronomy Software, C# IoT Software

Registered

2019-07-14